We used to think that if we knew one, we knew two, because one and one are two. We are finding that we must learn a great deal more about 'and'.

It is also a good rule not to put overmuch confidence in the observational results that are put forward until they are confirmed by theory.

We have found that where science has progressed the farthest, the mind has but regained from nature that which the mind put into nature.

Shuffling is the only thing which Nature cannot undo.

It is possible to argue that our present conception of revolution was staked out more securely in science than in political action.

Thence results, for science as well as for industry, the necessity of the division and association of labor. I receive and I give - such is human life. Each directs and is directed in his turn.

I'm not much interested in extrapolating science and technology; I merely use extrapolation as a means of putting people into new quandaries which produce colorful pressures and conflicts.

We need policymakers to keep an eye on gender and write policies that are explicitly designed to include underserved populations like girls in computer science courses.